![BTR Dual Valve Springs and Titanium Retainers for the RX-7 LS1!! The 241 Heads are Coming Together!! - YouTube BTR Dual Valve Springs and Titanium Retainers for the RX-7 LS1!! The 241 Heads are Coming Together!! - YouTube](https://i.ytimg.com/vi/kUEqciwYNLw/maxresdefault.jpg)
BTR Dual Valve Springs and Titanium Retainers for the RX-7 LS1!! The 241 Heads are Coming Together!! - YouTube
![Brian Tooley BTR .550" Lift 2014+ Gen V LT Beehive Valve Spring Set - BTR91120-16 L83 L86 LT1 L82 L84 L87 L8T - Michigan Motorsports Brian Tooley BTR .550" Lift 2014+ Gen V LT Beehive Valve Spring Set - BTR91120-16 L83 L86 LT1 L82 L84 L87 L8T - Michigan Motorsports](https://cdn11.bigcommerce.com/s-o2f19l6bte/images/stencil/1280x1280/products/2054/11244/BTR91120-16_4__90938.1680209384.jpg?c=2)
Brian Tooley BTR .550" Lift 2014+ Gen V LT Beehive Valve Spring Set - BTR91120-16 L83 L86 LT1 L82 L84 L87 L8T - Michigan Motorsports
![Brian Tooley BTR .660" Dual Springs Set of 16 Platinum 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Michigan Motorsports Brian Tooley BTR .660" Dual Springs Set of 16 Platinum 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Michigan Motorsports](https://cdn11.bigcommerce.com/s-o2f19l6bte/images/stencil/1280x1280/products/1548/7980/DSC_5164__75200.1646144527.jpg?c=2)
Brian Tooley BTR .660" Dual Springs Set of 16 Platinum 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Michigan Motorsports
![Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Steel Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA : Amazon.co.uk: Automotive Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Steel Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA : Amazon.co.uk: Automotive](https://m.media-amazon.com/images/I/71nTI8HXSmL.jpg)
Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Steel Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA : Amazon.co.uk: Automotive
BTR Gen V Platinum LT1 .660" Dual Spring Kit with Titanium Retainers Gen5 5.3 6.2 LT LT1 L83 L86 L82 L84 L87 - Michigan Motorsports
![Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Steel Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA : Amazon.co.uk: Automotive Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Steel Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA : Amazon.co.uk: Automotive](https://m.media-amazon.com/images/I/71NewOY0c8L.jpg)